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Finding the Third Proportional to 9,423 and 20,277

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Solution

The third proportional to 9,423 and 20,277 is: 43,633.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,423 : 20,277 = 20,277 : x
  2. Step 2: Convert to fraction form
    9,423/20,277 = 20,277/x
  3. Step 3: Cross multiply
    9,423x = 20,277 × 20,277
  4. Step 4: Simplify right side
    9,423x = 411,156,729
  5. Step 5: Solve for x
    x = 411,156,729/9,423
  6. Step 6: Final answer
    x = 43,633.32

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.